bilu[9], buli[9], lubi[9], bulw[9], duli[8], lidu[8], ludi[8], widu[7],
bud[8], bul[8], lub[8], lud[7], bid[6], bil[6], idu[6], ilu[6], uli[6], dwu[6], lwu[6], ulw[6], lid[5], diw[4], wid[4], liw[4], lwi[4],
bu[6], ud[5], lu[5], ul[5], bi[4], wu[4], id[3], li[3], iw[2],
